Ó Riagáin, P., & Ó Riagáin, P. (2018). Measures of Language Proficiency in Censuses and Surveys: A Comparative Analysis and Assessment (1st ed. 2018.). Springer International Publishing : Imprint: Palgrave Macmillan. https://doi.org/10.1007/978-3-319-72941-1
Παραπομπή σε μορφή Chicago (17η εκδ.)Ó Riagáin, Pádraig, και Pádraig Ó Riagáin. Measures of Language Proficiency in Censuses and Surveys: A Comparative Analysis and Assessment. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Palgrave Macmillan, 2018. https://doi.org/10.1007/978-3-319-72941-1.
Παραπομπή σε μορφή MLA (8th εκδ.)Ó Riagáin, Pádraig, και Pádraig Ó Riagáin. Measures of Language Proficiency in Censuses and Surveys: A Comparative Analysis and Assessment. 1st ed. 2018. Springer International Publishing : Imprint: Palgrave Macmillan, 2018. https://doi.org/10.1007/978-3-319-72941-1.
